const say = require('./fn_data.js')
const object = {
  name: '李四',
  author: '张三'
}
console.log('我是 b 文件')
console.log('打印 a 模块', say)

setTimeout(() => {
  console.log('异步打印 a 模块', say)
}, 0)

module.exports = function () {
  return object
}